Shirley A. A. Beresford is a professor in the Department of Epidemiology of the School of Public Health and Community Medicine at the University of Washington. She is also a member in the Epidemiology and Cancer Prevention Research Programs at Fred Hutchinson Cancer Research Center. Dr. Beresford’s research interests are in the areas of nutritional epidemiology and cancer prevention. She is chair of the Dietary Modification Advisory Committee for the Women’s Health Initiative. She received her Ph.D. in epidemiology from the University of London.

Dean DellaPenna is a professor in the Department of Biochemistry and Molecular Biology at Michigan State University. He uses molecular, genetic, and biochemical approaches to understand fundamental processes, including secondary metabolic pathways, in plants of importance to agriculture. His research is partially funded by the U.S. Agency for International Development and the National Science Foundation. Dr. DellaPenna holds several patents on biochemical and genetic techniques related to his research. He is a consultant and a member of a scientific advisory board for a genomics-based pharmaceutical company. Dr. DellaPenna received his Ph.D. in plant physiology from the University of California at Davis.

Terry D. Etherton is a distinguished professor of animal nutrition and head of the Department of Dairy and Animal Science at The Pennsylvania State University. His research focuses on endocrine regulation of animal growth. He is an authority on the role of agricultural biotechnology in food production systems. Dr. Etherton chaired the National Research Council committee that authored the report, Metabolic Modifiers: Effects on the Nutrient Requirements of Food-Producing Animals. He is co-chair of the Federation of Animal Science Societies Scientific Advisory Committee on Biotechnology. Dr. Etherton received his Ph.D. in animal sciences from the University of Minnesota.

Cutberto Garza is a professor in the Division of Nutritional Sciences at Cornell University. His research interests are maternal and infant nutrition, nutrient needs of women and young children, and long-term metabolic consequences to perinatal nutrition. Dr. Garza chairs an international effort sponsored by the World Health Organization (WHO), the United Nations University, and others to develop new international references for child growth and chairs the Technical Advisory Group for the Review of Safety, Nutritional Value, Suitability, and Appropriateness of Foods used by the World Food Program. Previously, he cochaired a review of genetically modified foods for the United States and the European Union and chaired the 2000 U.S. Dietary Guidelines Committee for the U.S. Department of Agriculture and the Department of Health and Human Services. He is a member of the the WHO Reference Group on a Global Strategy on Diet, Physical Activity, and Health, and until recently, served on the National Institutes of Health Fogarty Center’s Advisory Board. He is a member of the Institute of

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